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It is generally known that RFID technology has gradually come into the practical phase for the maturity of the large scale integrated circuit technology and the smaller volume of radio frequency identification system. Different from the contact identification technology in the same period or the early period, the identification between RFID card with magnetic strip and the reader can be completed without contact. As a fact, RFID technology develops so soon abroad, and RFID products also differ from one another. And, in China, RFID technology is also rapidly developing.